{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0cf3d3ba4f7062fd2bbf2bda10972d528974e876"
            }
          ],
          "repo": "https://github.com/ethereum/go-ethereum",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-689v-6xwf-5jf3"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-770"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26313.json"
  },
  "details": "go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.17.0, an attacker can cause high memory usage by sending a specially-crafted p2p message. The issue is resolved in the v1.17.0 release.",
  "id": "CVE-2026-26313",
  "modified": "2026-04-01T23:07:54.400197285Z",
  "published": "2026-02-19T21:07:37.943Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.17.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26313.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-689v-6xwf-5jf3"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26313"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Go Ethereum affected by DoS via malicious p2p message"
}